The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2019
Filed:
May. 15, 2017
Winbond Electronics Corp., Taichung, TW;
Ming-Hung Hsieh, Taichung, TW;
Yu-Hsuan Ho, Taichung, TW;
Ming-Chih Tsai, Taichung, TW;
Yen-Jui Chu, Taichung, TW;
Winbond Electronics Corp., Taichung, TW;
Abstract
A gas detecting device configured to be attached to a surface includes a substrate, a semiconductor layer, a light-emitting component, a first electrode and a second electrode. The substrate includes a plurality of stacking layers stacked onto one another, and a material of the substrate includes cellulose nanofibrils (CNF). The substrate is formed by 3-D printing, such that a contact surface of the substrate is tightly attached to the surface. The semiconductor layer is formed on the substrate by 3-D printing. The light-emitting component is disposed on the substrate. The first electrode is coupled to the semiconductor layer and the light-emitting component. The second electrode is coupled to the semiconductor layer and a ground electrode. The first electrode and the second electrode are both disposed on the semiconductor layer and maintain a gap therebetween. A resistance of the semiconductor layer is changed according to a concentration of a designated gas.